Is this a geocentric model or a heliocentric model?
geocentric
Is this a geocentric model or a heliocentric model?
heliocentric
The shape of the Earth’s orbit around the sun is best described as...
an ellipse
According to Kepler’s Law of Planetary Motion, the farther a planet is located from the Sun, the....
longer its period of revolution
What is this?
a nebula
What constellation is this?
Ursa Major aka “The Big Dipper”
What star is this arrow pointing to?
Polaris aka “The North Star”
What is the unit that measures the distance light travels in one year?
a lightyear!
What is the planet in our solar system that the most moons?
Saturn! (the photo is of the LARGEST moon of Saturn named Titan)
What is the force of attraction between massive objects called? Eg: The pull between Earth & Moon?
gravitational force
What is the word for an extremely dense area with gravity so strong not even light can escape it?
a black hole
What is the term that refers to the brightness of a star?
luminosity
“_______________” was the first astronomer (recorded in history) to propose that the Earth was not the center of the Universe
Nicolas Copernicus
“_______________” was a monk who was tortured and killed by the Catholic Church for his beliefs about an infinite universe?
Giordano Bruno
The universe is estimated to be about _____ billion years old.
14
“________________” was the first person (recorded in history) to look through a telescope.
Galileo Galelei
